463 lines
18 KiB
C++
463 lines
18 KiB
C++
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#include "GuideDisplayWidget.h"
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#include <QtMath>
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#include <QFont>
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#include <QFontMetricsF>
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#include <QLinearGradient>
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#include <QPainter>
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#include <QPainterPath>
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#include <QPaintEvent>
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#include <QPolygonF>
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namespace {
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const QColor kNormalColor(218, 239, 35);
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const QColor kGreenColor(35, 225, 103);
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const QColor kStopColor(242, 54, 48);
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const QColor kScreenColor(42, 49, 49);
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QString NumberText(double value)
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{
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return QString::number(value, 'f', 1) + QStringLiteral("m");
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}
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QString SignedText(double value, int precision)
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{
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const QString sign = value > 0.0 ? QStringLiteral("+") : QString();
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return sign + QString::number(value, 'f', precision);
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}
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QPolygonF Octagon(const QRectF& rect)
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{
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const qreal cut = qMin(rect.width(), rect.height()) * 0.18;
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return QPolygonF()
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<< QPointF(rect.left() + cut, rect.top())
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<< QPointF(rect.right() - cut, rect.top())
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<< QPointF(rect.right(), rect.top() + cut)
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<< QPointF(rect.right(), rect.bottom() - cut)
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<< QPointF(rect.right() - cut, rect.bottom())
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<< QPointF(rect.left() + cut, rect.bottom())
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<< QPointF(rect.left(), rect.bottom() - cut)
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<< QPointF(rect.left(), rect.top() + cut);
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}
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} // namespace
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GuideDisplayWidget::GuideDisplayWidget(QWidget* parent)
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: QWidget(parent)
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{
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setAttribute(Qt::WA_OpaquePaintEvent);
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}
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void GuideDisplayWidget::SetStatus(const QJsonObject& status)
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{
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m_status = status;
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const int stateCode = status.value("guideStateCode").toInt(12);
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m_stateCode = stateCode >= 1 && stateCode <= 24 ? stateCode : 12;
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update();
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}
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void GuideDisplayWidget::paintEvent(QPaintEvent* event)
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{
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Q_UNUSED(event);
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing, true);
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painter.fillRect(rect(), QColor(5, 8, 11));
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const qreal margin = qMax<qreal>(16.0, qMin(width(), height()) * 0.035);
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QRectF frame = QRectF(rect()).adjusted(margin, margin, -margin, -margin);
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const qreal side = qMin(frame.width(), frame.height());
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frame = QRectF(frame.center().x() - side / 2.0,
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frame.center().y() - side / 2.0,
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side,
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side);
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const qreal bevel = side * 0.065;
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QLinearGradient frameGradient(frame.topLeft(), frame.bottomRight());
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frameGradient.setColorAt(0.0, QColor(112, 119, 119));
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frameGradient.setColorAt(0.45, QColor(44, 49, 50));
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frameGradient.setColorAt(1.0, QColor(118, 123, 123));
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painter.setPen(QPen(QColor(18, 22, 23), qMax<qreal>(2.0, side * 0.008)));
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painter.setBrush(frameGradient);
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painter.drawRect(frame);
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QRectF screen = frame.adjusted(bevel, bevel, -bevel, -bevel);
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painter.setPen(QPen(QColor(24, 29, 29), qMax<qreal>(1.0, side * 0.004)));
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painter.setBrush(kScreenColor);
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painter.drawRect(screen);
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if (m_stateCode == 23 || m_stateCode == 24) {
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painter.fillRect(screen, Qt::black);
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return;
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}
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// 只绘制低对比度 LED 网格，所有文字和图形均为矢量绘制。
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painter.save();
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painter.setClipRect(screen);
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painter.setPen(QPen(QColor(78, 87, 85, 80), 1.0));
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const qreal grid = qMax<qreal>(7.0, screen.width() / 36.0);
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for (qreal x = screen.left(); x <= screen.right(); x += grid) {
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painter.drawLine(QPointF(x, screen.top()),
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QPointF(x, screen.bottom()));
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}
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for (qreal y = screen.top(); y <= screen.bottom(); y += grid) {
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painter.drawLine(QPointF(screen.left(), y),
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QPointF(screen.right(), y));
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}
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painter.restore();
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const QRectF content = screen.adjusted(screen.width() * 0.06,
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screen.height() * 0.05,
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-screen.width() * 0.06,
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-screen.height() * 0.05);
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switch (m_stateCode) {
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case 1:
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case 12:
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DrawLedText(painter, content,
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QStringList() << QStringLiteral("WAIT"),
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kNormalColor, 0.25);
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break;
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case 2:
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DrawCaptureGuidance(painter, content);
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break;
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case 3:
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case 4:
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case 5:
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case 7:
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DrawLedText(painter,
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QRectF(content.left(), content.top(),
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content.width(), content.height() * 0.32),
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QStringList()
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<< AircraftText()
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<< NumberText(m_status.value("distanceToStop")
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.toDouble(0.0) / 1000.0),
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kNormalColor, 0.13);
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DrawGuidance(painter,
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QRectF(content.left(), content.top() + content.height() * 0.28,
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content.width(), content.height() * 0.70),
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m_stateCode != 5);
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break;
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case 6:
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case 13:
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case 14:
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DrawLedText(painter, content,
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QStringList() << AircraftText() << QStringLiteral("SLOW"),
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kNormalColor, 0.19);
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break;
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case 8:
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DrawStopSign(painter,
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content.adjusted(0, content.height() * 0.08,
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0, -content.height() * 0.38));
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break;
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case 9:
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DrawLedText(painter, content,
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QStringList() << QStringLiteral("OK"),
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kGreenColor, 0.30);
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break;
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case 10:
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DrawStopSign(painter,
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QRectF(content.left(), content.top(),
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content.width(), content.height() * 0.42));
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DrawLedText(painter,
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QRectF(content.left(), content.top() + content.height() * 0.45,
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content.width(), content.height() * 0.52),
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QStringList() << QStringLiteral("TOO")
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<< QStringLiteral("FAR"),
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kNormalColor, 0.17);
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break;
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case 11:
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DrawStopSign(painter,
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QRectF(content.left(), content.top(),
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content.width(), content.height() * 0.48));
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DrawLedText(painter,
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QRectF(content.left(), content.top() + content.height() * 0.50,
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content.width(), content.height() * 0.45),
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QStringList() << QStringLiteral("OK"),
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kGreenColor, 0.22);
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break;
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case 15:
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DrawStopSign(painter,
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QRectF(content.left(), content.top(),
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content.width(), content.height() * 0.42));
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DrawLedText(painter,
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QRectF(content.left(), content.top() + content.height() * 0.44,
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content.width(), content.height() * 0.54),
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QStringList() << QStringLiteral("ID")
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<< QStringLiteral("FAIL"),
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kNormalColor, 0.17);
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break;
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case 16:
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DrawLedText(painter, content,
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QStringList() << QStringLiteral("WAIT")
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<< QStringLiteral("GATE")
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<< QStringLiteral("BLOCK"),
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kNormalColor, 0.14);
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break;
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case 17:
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DrawLedText(painter, content,
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QStringList() << QStringLiteral("WAIT")
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<< QStringLiteral("VIEW")
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<< QStringLiteral("BLOCK"),
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kNormalColor, 0.14);
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break;
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case 18:
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DrawStopSign(painter,
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QRectF(content.left(), content.top(),
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content.width(), content.height() * 0.48));
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DrawLedText(painter,
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QRectF(content.left(), content.top() + content.height() * 0.51,
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content.width(), content.height() * 0.42),
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QStringList() << QStringLiteral("SBU"),
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kNormalColor, 0.20);
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break;
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case 19:
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DrawStopSign(painter,
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QRectF(content.left(), content.top(),
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content.width(), content.height() * 0.44));
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DrawLedText(painter,
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QRectF(content.left(), content.top() + content.height() * 0.46,
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content.width(), content.height() * 0.50),
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QStringList() << QStringLiteral("TOO")
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<< QStringLiteral("FAST"),
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kNormalColor, 0.17);
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break;
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case 20:
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DrawStopSign(painter,
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content.adjusted(0, content.height() * 0.08,
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0, -content.height() * 0.38));
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break;
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case 21:
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DrawLedText(painter, content,
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QStringList() << QStringLiteral("CHOCK")
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<< QStringLiteral("ON"),
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kGreenColor, 0.20);
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break;
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case 22: {
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const int errorCode = m_status.value("errorCode").toInt(0);
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QStringList lines;
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lines << QStringLiteral("ERROR");
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if (errorCode != 0) {
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lines << QString::number(errorCode);
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}
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DrawLedText(painter, content, lines, kStopColor, 0.18);
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break;
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}
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default:
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DrawLedText(painter, content,
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QStringList() << QStringLiteral("WAIT"),
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kNormalColor, 0.25);
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break;
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}
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}
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void GuideDisplayWidget::DrawLedText(QPainter& painter,
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const QRectF& area,
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const QStringList& lines,
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const QColor& color,
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qreal relativeSize) const
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{
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if (lines.isEmpty()) {
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return;
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}
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QFont font(QStringLiteral("DejaVu Sans Mono"));
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font.setStyleHint(QFont::Monospace);
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font.setBold(true);
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font.setPixelSize(qMax(14, qRound(area.height() * relativeSize)));
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painter.save();
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painter.setFont(font);
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painter.setPen(color);
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painter.setBrush(Qt::NoBrush);
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painter.drawText(area,
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Qt::AlignCenter,
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lines.join(QChar('\n')));
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painter.restore();
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}
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void GuideDisplayWidget::DrawStopSign(QPainter& painter,
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const QRectF& area,
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const QString& text) const
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{
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const QRectF sign = area.adjusted(area.width() * 0.05,
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area.height() * 0.08,
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-area.width() * 0.05,
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-area.height() * 0.08);
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painter.save();
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painter.setBrush(Qt::NoBrush);
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painter.setPen(QPen(kStopColor,
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qMax<qreal>(3.0, sign.width() * 0.016),
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Qt::SolidLine,
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Qt::RoundCap,
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Qt::RoundJoin));
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painter.drawPolygon(Octagon(sign));
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painter.restore();
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DrawLedText(painter, sign, QStringList() << text, kStopColor, 0.34);
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}
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void GuideDisplayWidget::DrawCaptureGuidance(QPainter& painter,
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const QRectF& screen) const
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{
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const double distanceMm =
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m_status.value("distanceToStop").toDouble(0.0);
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const double offsetMm =
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m_status.value("lateralOffset").toDouble(0.0);
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const double yawDegrees =
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m_status.value("bodyYawAngle").toDouble(0.0);
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const QRectF modelArea(screen.left(), screen.top(),
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screen.width(), screen.height() * 0.24);
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DrawLedText(painter, modelArea,
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QStringList() << AircraftText(), kGreenColor, 0.50);
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const QRectF distanceArea(
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screen.left(),
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screen.top() + screen.height() * 0.35,
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screen.width(),
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screen.height() * 0.31);
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DrawLedText(painter, distanceArea,
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QStringList() << NumberText(distanceMm / 1000.0),
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kNormalColor, 0.62);
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painter.save();
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painter.setClipRect(screen);
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const qreal lineWidth = qMax<qreal>(4.0, screen.width() * 0.018);
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const qreal centerX = screen.center().x();
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const qreal stopLineY = screen.top() + screen.height() / 3.0;
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const qreal aircraftY = screen.top() + screen.height() * 0.74;
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painter.setPen(QPen(kNormalColor, lineWidth,
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Qt::SolidLine, Qt::SquareCap));
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painter.drawLine(
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QPointF(screen.left() + screen.width() * 0.22, stopLineY),
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QPointF(screen.right() - screen.width() * 0.22, stopLineY));
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painter.drawLine(QPointF(centerX, stopLineY),
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QPointF(centerX, distanceArea.top() - lineWidth));
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painter.drawLine(QPointF(centerX, distanceArea.bottom() + lineWidth),
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QPointF(centerX, screen.top() + screen.height() * 0.83));
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const qreal offsetRatio = qBound<qreal>(
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-1.0, static_cast<qreal>(offsetMm / 1000.0), 1.0);
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const qreal aircraftX = centerX + offsetRatio * screen.width() * 0.20;
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const qreal clampedYaw = qBound<qreal>(
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-30.0, static_cast<qreal>(yawDegrees), 30.0);
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const qreal aircraftSize = screen.width() * 0.075;
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if (!qFuzzyIsNull(aircraftX - centerX)) {
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painter.setPen(QPen(kStopColor, lineWidth * 0.48,
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Qt::SolidLine, Qt::RoundCap));
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painter.drawLine(QPointF(centerX, aircraftY),
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QPointF(aircraftX, aircraftY));
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const qreal arrowDirection = aircraftX > centerX ? -1.0 : 1.0;
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const qreal arrowSize = aircraftSize * 0.36;
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painter.drawLine(
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QPointF(centerX, aircraftY),
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||
|
|
QPointF(centerX - arrowDirection * arrowSize,
|
||
|
|
aircraftY - arrowSize));
|
||
|
|
painter.drawLine(
|
||
|
|
QPointF(centerX, aircraftY),
|
||
|
|
QPointF(centerX - arrowDirection * arrowSize,
|
||
|
|
aircraftY + arrowSize));
|
||
|
|
}
|
||
|
|
|
||
|
|
painter.translate(aircraftX, aircraftY);
|
||
|
|
painter.rotate(clampedYaw);
|
||
|
|
painter.setPen(QPen(kGreenColor, lineWidth * 0.62,
|
||
|
|
Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
|
||
|
|
painter.setBrush(Qt::NoBrush);
|
||
|
|
painter.drawLine(QPointF(0.0, aircraftSize * 0.75),
|
||
|
|
QPointF(0.0, -aircraftSize));
|
||
|
|
painter.drawLine(QPointF(-aircraftSize, 0.0),
|
||
|
|
QPointF(aircraftSize, 0.0));
|
||
|
|
painter.drawLine(QPointF(-aircraftSize * 0.45,
|
||
|
|
aircraftSize * 0.58),
|
||
|
|
QPointF(aircraftSize * 0.45,
|
||
|
|
aircraftSize * 0.58));
|
||
|
|
painter.drawLine(QPointF(0.0, -aircraftSize),
|
||
|
|
QPointF(-aircraftSize * 0.28,
|
||
|
|
-aircraftSize * 0.60));
|
||
|
|
painter.drawLine(QPointF(0.0, -aircraftSize),
|
||
|
|
QPointF(aircraftSize * 0.28,
|
||
|
|
-aircraftSize * 0.60));
|
||
|
|
painter.restore();
|
||
|
|
|
||
|
|
const QRectF metricArea(
|
||
|
|
screen.left(),
|
||
|
|
screen.top() + screen.height() * 0.85,
|
||
|
|
screen.width(),
|
||
|
|
screen.height() * 0.13);
|
||
|
|
const QRectF offsetArea(metricArea.left(), metricArea.top(),
|
||
|
|
metricArea.width() * 0.50,
|
||
|
|
metricArea.height());
|
||
|
|
const QRectF yawArea(metricArea.center().x(), metricArea.top(),
|
||
|
|
metricArea.width() * 0.50,
|
||
|
|
metricArea.height());
|
||
|
|
DrawLedText(painter, offsetArea,
|
||
|
|
QStringList() << QStringLiteral("偏移 %1mm")
|
||
|
|
.arg(SignedText(offsetMm, 0)),
|
||
|
|
kNormalColor, 0.34);
|
||
|
|
DrawLedText(painter, yawArea,
|
||
|
|
QStringList() << QStringLiteral("偏角 %1°")
|
||
|
|
.arg(SignedText(yawDegrees, 1)),
|
||
|
|
kNormalColor, 0.34);
|
||
|
|
}
|
||
|
|
|
||
|
|
void GuideDisplayWidget::DrawGuidance(QPainter& painter,
|
||
|
|
const QRectF& screen,
|
||
|
|
bool showCorrection) const
|
||
|
|
{
|
||
|
|
painter.save();
|
||
|
|
const qreal lineWidth = qMax<qreal>(4.0, screen.width() * 0.025);
|
||
|
|
const qreal centerX = screen.center().x();
|
||
|
|
const qreal topY = screen.top() + screen.height() * 0.22;
|
||
|
|
const qreal bottomY = screen.bottom() - screen.height() * 0.10;
|
||
|
|
painter.setPen(QPen(kNormalColor, lineWidth,
|
||
|
|
Qt::SolidLine, Qt::SquareCap));
|
||
|
|
painter.drawLine(QPointF(screen.left() + screen.width() * 0.28, topY),
|
||
|
|
QPointF(screen.right() - screen.width() * 0.28, topY));
|
||
|
|
painter.drawLine(QPointF(centerX, topY),
|
||
|
|
QPointF(centerX, bottomY));
|
||
|
|
|
||
|
|
const qreal arrow = screen.width() * 0.07;
|
||
|
|
painter.setPen(QPen(kNormalColor, lineWidth * 0.55,
|
||
|
|
Qt::SolidLine, Qt::RoundCap));
|
||
|
|
painter.drawLine(QPointF(centerX, bottomY),
|
||
|
|
QPointF(centerX - arrow, bottomY + arrow));
|
||
|
|
painter.drawLine(QPointF(centerX, bottomY),
|
||
|
|
QPointF(centerX + arrow, bottomY + arrow));
|
||
|
|
|
||
|
|
if (showCorrection) {
|
||
|
|
const double offset = m_status.value("lateralOffset").toDouble(0.0);
|
||
|
|
const bool correctionFromLeft = offset >= 0.0;
|
||
|
|
const qreal outerX = correctionFromLeft
|
||
|
|
? screen.left() + screen.width() * 0.08
|
||
|
|
: screen.right() - screen.width() * 0.08;
|
||
|
|
const qreal innerX = correctionFromLeft
|
||
|
|
? outerX + screen.width() * 0.10
|
||
|
|
: outerX - screen.width() * 0.10;
|
||
|
|
const qreal y = screen.top() + screen.height() * 0.31;
|
||
|
|
painter.setPen(QPen(kStopColor, lineWidth * 0.60,
|
||
|
|
Qt::SolidLine, Qt::RoundCap));
|
||
|
|
painter.drawLine(QPointF(outerX, y), QPointF(innerX, y));
|
||
|
|
const qreal direction = correctionFromLeft ? -1.0 : 1.0;
|
||
|
|
painter.drawLine(QPointF(outerX, y),
|
||
|
|
QPointF(outerX + direction * arrow,
|
||
|
|
y - arrow));
|
||
|
|
painter.drawLine(QPointF(outerX, y),
|
||
|
|
QPointF(outerX + direction * arrow,
|
||
|
|
y + arrow));
|
||
|
|
}
|
||
|
|
painter.restore();
|
||
|
|
}
|
||
|
|
|
||
|
|
QString GuideDisplayWidget::AircraftText() const
|
||
|
|
{
|
||
|
|
QString model = m_status.value("expectedModelType").toString().trimmed();
|
||
|
|
if (model.isEmpty()) {
|
||
|
|
model = m_status.value("modelType").toString().trimmed();
|
||
|
|
}
|
||
|
|
if (model.isEmpty() || model == QStringLiteral("未知")) {
|
||
|
|
model = QStringLiteral("----");
|
||
|
|
}
|
||
|
|
return model;
|
||
|
|
}
|